import axios from "axios";
import { MessageBox, Message } from "element-ui";
import store from "@/store";
import { getToken } from "@/utils/auth";

// 创建一个axios实例
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // 当跨域请求时发送cookie 跨域安全策略的一个东西
  timeout: 30000 // request timeout
});

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers["TOKEN"] = getToken();
    }
    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data;

    store.dispatch("app/setOverallLoading", false);
    if (response.config?.responseType === "blob") {
      return res;
    }
    if (res.code !== 2000) {
      Message({
        showClose: true,
        message: res.data || res.message || "Error",
        type: "error",
        duration: 15 * 1000
      });

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 4003) {
        // to re-login
        MessageBox.confirm("由于您长时间未操作，即将重新登录，请点击确认重新登录！", {
          confirmButtonText: "确认",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          store.dispatch("user/resetToken").then(() => {
            location.reload();
          });
        });
      }
      return Promise.reject(new Error(res.msg || "Error"));
    } else {
      return res.data;
    }
  },
  error => {
    console.log("err" + error); // for debug
    Message({
      message: error.message,
      type: "error",
      duration: 5 * 1000
    });
    return Promise.reject(error);
  }
);

export default service;
